> There was a ban, but the US got around it by claiming they were upgrading existing one's or something like that. The key point being the agreement didnt menti

> There was a ban, but the US got around it by claiming they were upgrading existing one's or something like that. The key point being the agreement didnt mention anything about "upgrades" which is akin to building new nukes. Given that we are talking about Uranium, and all the US stockpile uses Plutonium, I don't see how they would have used that for nukes. As suggested by others, more probably they blended that with depleted Uranium and used as cheap fuel for reactors